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From "Chang Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9289) Make DataStreamer#block thread safe and verify genStamp in commitBlock
Date Tue, 03 Nov 2015 22:18:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chang Li updated HDFS-9289:
---------------------------
    Attachment: HDFS-9289.branch-2.patch

Thanks [~zhz] for commit!
have created and uploaded a branch-2 patch

> Make DataStreamer#block thread safe and verify genStamp in commitBlock
> ----------------------------------------------------------------------
>
>                 Key: HDFS-9289
>                 URL: https://issues.apache.org/jira/browse/HDFS-9289
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.7.1
>            Reporter: Chang Li
>            Assignee: Chang Li
>            Priority: Critical
>             Fix For: 3.0.0
>
>         Attachments: HDFS-9289.1.patch, HDFS-9289.2.patch, HDFS-9289.3.patch, HDFS-9289.4.patch,
HDFS-9289.5.patch, HDFS-9289.6.patch, HDFS-9289.7.patch, HDFS-9289.branch-2.patch
>
>
> we have seen a case of corrupt block which is caused by file complete after a pipelineUpdate,
but the file complete with the old block genStamp. This caused the replicas of two datanodes
in updated pipeline to be viewed as corrupte. Propose to check genstamp when commit block



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